package net.lzzy.practices.web.admin;

import net.lzzy.practices.constants.ApiConstant;
import net.lzzy.practices.constants.Messages;
import net.lzzy.practices.entities.User;
import net.lzzy.practices.service.UserService;
import net.lzzy.practices.utils.JwtUtil;
import net.lzzy.practices.web.models.ApiResult;
import net.lzzy.practices.web.models.VmUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.UUID;

/**
 * 用户管理API控制器
 * 提供用户相关的API接口服务
 * @author AndyStern
 */
@CrossOrigin
@RestController
@RequestMapping(ApiConstant.ROUTE_USER_ROOT)
public class UserApiController {

    private final UserService service;

    @Autowired
    public UserApiController(UserService service) {
        this.service = service;
    }

    @GetMapping(ApiConstant.ROUTE_USER_ALL)
    public ApiResult getUsers(@RequestParam String token){
        List<VmUser> users = new ArrayList<>();
        service.get().forEach(u -> users.add(VmUser.create(u,true)));
        return new ApiResult(true,users.size()+"",users);
    }

    @GetMapping(ApiConstant.ROUTE_USER_PAGE)
    public ApiResult getPageUsers(@RequestParam int page,@RequestParam int size,@RequestParam String token){
        List<VmUser> users = new ArrayList<>();
        service.get(page, size).forEach(u -> users.add(VmUser.create(u,true)));
        return new ApiResult(true,service.count()+"",users);
    }

    @GetMapping(ApiConstant.ROUTE_USER_SEARCH)
    public ApiResult search(@RequestParam String token,@PathVariable String kw){
        List<VmUser> users = new ArrayList<>();
        service.search(kw).forEach(u -> users.add(VmUser.create(u,true)));
        return new ApiResult(true,users.size()+"",users);
    }

    @GetMapping(ApiConstant.ROUTE_USER_APPLYING)
    public ApiResult getApplyingTeacher(String token){
        List<VmUser> users = new ArrayList<>();
        service.getByApplyTeacher(true).forEach(u -> users.add(VmUser.create(u,true)));
        return new ApiResult(true,users.size()+"",users);
    }

    @PostMapping(ApiConstant.ROUTE_USER_APPROVE)
    public ApiResult approve(@RequestParam String token,@RequestParam UUID id){
        User user = service.approveTeacher(id);
        if(user == null){
            return new ApiResult(false, Messages.WRONG_ID.toString(),null);
        }
        return new ApiResult(true, Messages.SUCCESS.toString(),VmUser.create(user,true));
    }

    @PostMapping(ApiConstant.ROUTE_USER_DECLINE)
    public ApiResult decline(@RequestParam String token,@RequestParam UUID id){
        User user = service.declineTeacher(id);
        if(user == null){
            return new ApiResult(false, Messages.WRONG_ID.toString(),null);
        }
        return new ApiResult(true, Messages.SUCCESS.toString(),VmUser.create(user,true));
    }

    @PostMapping(ApiConstant.ROUTE_USER_BAN)
    public ApiResult ban(@RequestParam String token,@RequestParam UUID id){
        User user = service.banUser(id);
        if(user == null){
            return new ApiResult(false, Messages.WRONG_ID.toString(),null);
        }
        return new ApiResult(true, Messages.SUCCESS.toString(),VmUser.create(user,true));
    }
}
